2004–2005 Cadillac XLR, 2005 Chevrolet Corvette Recall: CERTAIN PASSENGER VEHICLES WERE PRODUCED WITH ONE OR BOTH REAR BRAKE…
NHTSA campaign 04V525000 · Service Brakes, Hydraulic · filed Nov 3, 2004 · verified Jul 30, 2026
The defect
CERTAIN PASSENGER VEHICLES WERE PRODUCED WITH ONE OR BOTH REAR BRAKE HYDRAULIC LINES THAT CAN COME IN CONTACT WITH OR BE AFFECTED BY HEAT FROM THE LEFT ENGINE EXHAUST MANIFOLD AND THE LEFT EXHAUST PIPE. THE BRAKE FLUID COULD REACH ELEVATED TEMPERATURES AND BOIL.
The risk
IF THE BRAKE FLUID BOILS IN A REAR BRAKE LINE, THE EFFECTIVENESS OF THE REAR BRAKE SYSTEM WOULD BE REDUCED WHICH COULD RESULT IN A BRAKE LINE LEAK AND LOSS OF BRAKE FLUID. IF ENOUGH FLUID LEAKS FROM THE REAR BRAKE SYSTEM SO THAT BRAKE PEDAL APPLICATION CAN NO LONGER BUILD PRESSURE TO THE REAR BRAKES. THE OPERATOR OF THE VEHICLE WILL EXPERIENCE LIMITED BRAKING WHICH COULD RESULT IN A CRASH.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DEALERS WILL (1) INSPECT THE LEFT ENGINE EXHAUST MANIFOLD CLIP FOR PROPER ALIGNMENT AND PLACEMENT ON THE BODY-MOUNTED STUD. IF INCORRECT, THEY WILL REPOSITION THE CLIP ON THE BRAKE LINES AND REINSTALL THE CLIP ON THE STUD; (2) THE DEALER WILL VERIFY THAT BOTH REAR BRAKE LINES HAVE THE PROPER CLEARANCE TO THE LEFT EXHAUST PIPE. THEY WILL REPOSITION THE LINES BY BENDING AS NECESSARY; (3) DEALERS WILL REMOVE THE MACHINING TAB FROM THE REAR DIFFERENTIAL HOUSING. ALSO, DEALERS ARE TO INSPECT THE BRAKE LINES FOR WEAR IN THESE RELATED AREAS AND REPAIR OR REPLACE IF THERE IS ANY SIGN OF WEAR-THROUGH ON THE NYLON OVERCOATING. THE RECALL BEGAN ON JANUARY 18, 2005. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2239 OR CHEVROLET AT 1-800-630-2438.
GENERAL MOTORS RECALL NO. 04086.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Affected vehicles
Related recalls
More Cadillac XLR recalls
Other campaigns involving Cadillac vehicles
Source: NHTSA recall database, campaign 04V525000 (manufacturer number 04086). Data last verified Jul 30, 2026.